IT1044513B - ELECTRIC DISCONNECTOR SWITCH - Google Patents

ELECTRIC DISCONNECTOR SWITCH

Info

Publication number
IT1044513B
IT1044513B IT68688/75A IT6868875A IT1044513B IT 1044513 B IT1044513 B IT 1044513B IT 68688/75 A IT68688/75 A IT 68688/75A IT 6868875 A IT6868875 A IT 6868875A IT 1044513 B IT1044513 B IT 1044513B
Authority
IT
Italy
Prior art keywords
disconnector switch
electric disconnector
electric
switch
disconnector
Prior art date
Application number
IT68688/75A
Other languages
Italian (it)
Inventor
K Olafsen
Original Assignee
Falconbridge Nickel Mines Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Falconbridge Nickel Mines Ltd filed Critical Falconbridge Nickel Mines Ltd
Application granted granted Critical
Publication of IT1044513B publication Critical patent/IT1044513B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
IT68688/75A 1974-07-02 1975-07-01 ELECTRIC DISCONNECTOR SWITCH IT1044513B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203,793A CA1007685A (en) 1974-07-02 1974-07-02 Circuit breaker with low closing and opening contact pressure

Publications (1)

Publication Number Publication Date
IT1044513B true IT1044513B (en) 1980-03-31

Family

ID=4100550

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68688/75A IT1044513B (en) 1974-07-02 1975-07-01 ELECTRIC DISCONNECTOR SWITCH

Country Status (11)

Country Link
US (1) US3974349A (en)
JP (1) JPS5611966B2 (en)
BE (1) BE830409A (en)
CA (1) CA1007685A (en)
CH (1) CH596657A5 (en)
DE (1) DE2526950C3 (en)
FR (1) FR2277423A1 (en)
GB (1) GB1517741A (en)
IT (1) IT1044513B (en)
NO (1) NO140575C (en)
SE (1) SE406386B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56118497A (en) * 1980-02-26 1981-09-17 Toshiba Silicone Co Ltd Method for imparting slip property to surface of article
WO2002068752A2 (en) 2001-02-22 2002-09-06 Crompton Corporation Water repellent textile finishes and method of making
CN111710553A (en) * 2020-05-20 2020-09-25 深圳供电局有限公司 Isolating switch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972337A (en) * 1959-11-30 1961-02-21 Gen Electric Hydraulically actuated operating mechanism for an electric circuit breaker
NL253981A (en) * 1960-07-20
CH389063A (en) * 1962-02-28 1965-03-15 Merlin Gerin Sliding contact device for electrical switch
US3137778A (en) * 1962-04-16 1964-06-16 Gen Electric Pivotally mounted disconnect switch contacts

Also Published As

Publication number Publication date
JPS5611966B2 (en) 1981-03-18
JPS5127465A (en) 1976-03-08
FR2277423A1 (en) 1976-01-30
DE2526950A1 (en) 1976-01-22
DE2526950B2 (en) 1979-01-11
SE406386B (en) 1979-02-05
GB1517741A (en) 1978-07-12
US3974349A (en) 1976-08-10
SE7507557L (en) 1976-01-05
NO140575C (en) 1979-09-26
NO140575B (en) 1979-06-18
FR2277423B1 (en) 1980-11-21
CA1007685A (en) 1977-03-29
BE830409A (en) 1975-10-16
CH596657A5 (en) 1978-03-15
DE2526950C3 (en) 1979-09-06
NO752404L (en) 1976-01-05

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